CN2403183Y - Broadcasting apparatus based on internet protocol - Google Patents
Broadcasting apparatus based on internet protocol Download PDFInfo
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- CN2403183Y CN2403183Y CN 99252139 CN99252139U CN2403183Y CN 2403183 Y CN2403183 Y CN 2403183Y CN 99252139 CN99252139 CN 99252139 CN 99252139 U CN99252139 U CN 99252139U CN 2403183 Y CN2403183 Y CN 2403183Y
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- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The utility model provides a broadcast system based on internet protocol, which transmits information based on HTML to users in frame format of internet protocol by means of a broadcast mode of points to surfaces, wherein, the frame format of internet protocol is built-in a VBI null line of broadcast television signals. In addition, the broadcasting system also comprises a modem (11) connected with internet; the users can make use of the modem (11) to transmit specific requirements for information to an information center connected with the internet (12) to have quasi two-way interactive effect. Making use of the existing and rich bandwidth resources of the VBI null line obviously decreases investment cost and simultaneously enhances downloading speed of information.
Description
The utility model relates to the broadcaster of internet protocol-based (Internet Protocol is designated hereinafter simply as IP), particularly a kind of device of realizing IP broadcast by TV signal.
Internet (Internet) is the maximum computer Internet in the whole world, is a set of being made up of the huge information source of thousands of the network interconnections.Blank as " national information highway ", the internet is just receiving countries in the world government, mechanism and personal user's fervent concern and is participating in using, we can say, it has become maximum information resources base, the whole world, the various aspects that almost comprise mankind's activity, for example politics, economy, culture, education, scientific research, industrial and commercial enterprises, traffic communication, military affairs, life purchase, tourist service or the like.
The internet adopts unified TCP/IP protocol suite.TCP/IP protocol suite is the unique obtainable open network agreement of present heterogeneous network user, it is a kind of industrial standard that is extensively received by the actual user, up to giant computer, and it both can be used for Local Area Network to its installation scope, also can be used for wide area network (WAN) from personal computer.The core layer of TCP/IP is network layer and transport layer, and corresponding core protocol is IP and TCP two big agreements, and wherein the major function of IP agreement comprises does not have the transmission of the datagram of connection, datagram seeks the footpath and mistake is handled three parts.
The mode that is connected to the internet can have multiple, and Chang Yong method is to connect with host mode and a certain main frame on the internet by the SLIP/PPP agreement the most.This method needs personal computer (PC) and modulator-demodulator, when PC when the internet sends information (this direction is called the uplink direction), modulator-demodulator is with the analog signal of digital signal conversion for transmitting on ordinary telephone line of PC; When PC receives information from the internet (this is called downlink transmission direction), to be the manageable digital signal of PC then through the analog signal conversion of telephone wire transmission, uplink passage and the utilization of downlink transfer passage is same telephone wire generally speaking, and their bandwidth also is a mean allocation.Therefore, this mode is an ordinary telephone line owing to what utilize, so transmission of Information belongs to point to point system, along with the growth as the number of the Internet users blast and people active demand to the multimedia messages transmission, the data traffic of transmitting on the internet is rapid growth also, but,, thereby cause the obstruction of transfer of data on the internet so message transmission rate is subjected to very big restriction because network bandwidth increase is limited.In addition, for common Internet user based on reception information, data traffic on its down going channel will be far longer than the data traffic on the data feedback channel, the therefore common now method of utilizing common modulator-demodulator online also significant wastage valuable bandwidth resources.At last, along with the high speed of information resources expands, the user press for through refinement, filter and processing after information, so just be unlikely to be submerged in the information ocean of vastness and be at a loss.
Therefore target of the present invention provides a kind of broadcast transmitting device based on the IP agreement, and it will send the user to the IP frame format through the information based on HTML(Hypertext Markup Language) after the processed by the broadcast mode of putting face., comprise according to broadcast transmitting device of the present invention for this reason: the hypertext composer, being used for the various formats of describing with HTML is certain directory tree structure; The IP formatter, being used for described layout is that the information of certain directory tree structure is put into standard I P frame structure to form the IP packet; The embedded device of IP packet is used for described packet is embedded in scan line flyback (VBI) null of broadcast television signal and to amplitude, the shape of the back signal that superposes and does certain adjustment; And the broadcast television signal transmitter, be used to modulate and send the broadcast television signal of described embedded IP packet.
Another target of the present invention provides a kind of broadcast transmitting device based on the IP agreement, and it further comprises the user management device, is used for user identity, message pick-up authority are managed.
Another target of the present invention provides a kind of broadcast transmitting device based on the IP agreement, and it further comprises encryption device, is used for the information that sends the specific user to is encrypted.
Another target of the present invention provides a kind of broadcast receiver based on the IP agreement, and the user can utilize the information based on HTML of its reception based on the broadcast transmitting device transmission of IP agreement., comprise according to broadcast receiver of the present invention: the broadcast television signal receiver is used to receive the also broadcast television signal of the embedded IP packet of demodulation for this reason; The IP demultiplexer is used for the IP frame signal that is embedded in the broadcast television signal VBI null is separated; The IP Frame Handler is used to make described IP frame signal to keep synchronously and carries out correction process; And the hypertext reductor, the information reverting that is used for that the IP frame signal is comprised is the various information of describing with HTML.
Another one target of the present invention provides a kind of broadcast receiver based on the IP agreement, it further comprises the modulator-demodulator that links to each other with the internet, the user can be sent to the information centre that links to each other with the internet with its specific (special) requirements to information by modulator-demodulator, thereby realizes accurate mutual effect.
Because the VBI null in the broadcast television signal is the bandwidth resources that existed, can obviously reduce cost of investment so utilize the VBI null to transmit the IP frame information, have remarkable economic efficiency.And the VBI capacity of a cover TV programme is about 250Kbps, if receiving 10 cover TV programme by the general user calculates, each user can obtain the downlink bandwidth resource of 2.5Mbps, and this is hundred times of the traditional modem bandwidth, so has greatly improved download of information speed.
By below in conjunction with the description of accompanying drawing, can further understand target of the present invention, feature and advantage to the embodiment of the invention.Same or analogous part adopts same label in the accompanying drawing.
Fig. 1 is the schematic diagram based on the broadcast system of IP agreement according to the embodiment of the invention;
Fig. 2 is the block diagram based on the broadcast transmitting device of IP agreement according to another embodiment of the present invention; And
Fig. 3 is the block diagram based on the broadcast receiver of IP agreement according to another embodiment of the present invention.
Fig. 1 shows the schematic diagram based on the broadcast system of IP agreement according to the embodiment of the invention.As shown in Figure 1, this broadcast system comprises the web page 4 and 8, IP protocol broadcast dispensing device 5, program processing unit 6, radio and television transmitter 7, the IP protocol broadcast receiving system 9 that Pgmtime control device 1, editing saving device 2, user management and encryption device 3, HTML describe, personal computer 10, the modulator-demodulator 11 that browser software is installed.
The transmitting time of 1 pair of all information that need send of Pgmtime control device is controlled, 2 pairs of various information of editing saving device are gathered and edited, processing, figure, insertion multimedia effect, are called the web page that space-time is roamed thereby produce with what hypertext language was described.As described below, the user can send its specific (special) requirements to information to the editing saving device 2 of information centre by the internet, refine, translate, filter and edit again internet information by this device according to customer requirements, and, offer the user in the specific period by 1 control of Pgmtime control device.3 of user management and encryption devices are used for user's registration, browse the management of charge and message pick-up authority etc., and this device can be encrypted the information that sends the specific user to, and therefore these information are not visible for other users.Above-mentioned three devices have constituted a complete information centre.
The space-time that information centre the provides web webpage input IP protocol broadcast dispensing device 5 of roaming, the information that this device is handled and will be handled the web page places in the IP frame structure of standard, subsequently such IP frame is embedded in the VBI null of broadcast television signal.Send by the radio and television transmitter through the TV signal of handling like this, realized IP over VBI thus.TV signal not only can be by wire transmission modes such as optical cable but also can be by wireless modes such as microwaves.IP protocol broadcast receiving system 9 receives the TV signal of this embedded IP frame, separates the IP frame from the VBI null, and the web page that space-time roams that is called that then the IP frame is reduced to that HTML describes offers personal computer 10.The user can read the space-time web page of roaming by the browser software installed on the personal computer.Can be equipped with modulator-demodulator 11 on the personal computer 10, therefore the user can enter the Internet 12, by internet 12 its specific (special) requirements to information is sent to information centre, has so just realized the effect of accurate two-way interactive.
Below describe in detail respectively according to broadcast transmitting device 5 and the receiving system 9 based on the IP agreement of the present invention by Fig. 2 and 3.At first referring to Fig. 2, it shows the block diagram based on the broadcast transmitting device 5 of IP agreement.This dispensing device comprises: hypertext composer 21, IP formatter 22, the embedded device 23 of IP packet and broadcast television signal transmitter 24.The space-time that information centre provides is roamed that the web page is transfused to hypertext composer 21 and is certain directory tree structure according to content by layout, subsequently, layout is that the information of directory tree structure is output to IP formatter 22, and layout is that the information of directory tree structure is placed in the IP frame structure of standard to form the IP packet and to export the embedded device 23 of IP packet to there.The embedded device 23 of IP packet is embedded in the IP packet in scan line flyback (VBI) null of broadcast television signal and to amplitude, the shape of composite signal and does certain adjustment, makes it to meet the transmission requirement of common broadcast TV programme.Such broadcast television signal input broadcast television signal transmitter 24 sends after ovennodulation.
Referring to Fig. 3, it shows the block diagram based on the broadcast receiver 9 of IP agreement.This broadcast receiver comprises broadcast television signal receiver 31, IP demultiplexer 32, IP Frame Handler 33 and hypertext reductor 34.The broadcast television signal of above-mentioned embedded IP packet is received by broadcast television signal receiver 31, exports IP demultiplexer 32 to through after the demodulation.IP Frame Handler 33 is separated and exported to the IP frame signal that IP demultiplexer 32 will be embedded in the broadcast television signal VBI null.IP Frame Handler 33 keeps synchronously described IP frame signal and carries out correction process, exports hypertext reductor 34 then to.Hypertext reductor 34 offers personal computer 10 with the information reverting that the IP frame signal comprises for the information of describing with HTML.
More than by embodiment the technical solution of the utility model has been described, for those skilled in that art, can do various changes to it under the prerequisite that does not depart from the utility model spirit and scope by reading foregoing description, therefore spirit and scope of the present utility model are limited by following claims.
Claims (5)
1. broadcast transmitting device based on the IP agreement is characterized in that comprising:
Hypertext composer (21), being used for the various formats of describing with HTML is certain directory tree structure;
IP formatter (22), being used for described layout is that the information of certain directory tree structure is put into standard I P frame structure to form the IP packet;
The embedded device of IP packet (23) is used for described packet is embedded in scan line flyback (VBI) null of broadcast television signal and to amplitude, the shape of the back signal that superposes and does certain adjustment; And
Broadcast television signal transmitter (24) is used to modulate and send the broadcast television signal of described embedded IP packet.
2. broadcast transmitting device as claimed in claim 1 is characterized in that further comprising the user management device, is used for user identity, message pick-up authority are managed.
3. broadcast transmitting device as claimed in claim 2 is characterized in that being that described user management device comprises encryption device, is used for the information that sends the specific user to is encrypted.
4. broadcast receiver based on the IP agreement is characterized in that comprising:
Broadcast television signal receiver (31) is used to receive the also broadcast television signal of the embedded IP packet of demodulation;
IP demultiplexer (32) is used for the IP frame signal that is embedded in the broadcast television signal VBI null is separated;
IP Frame Handler (33) is used to make described IP frame signal to keep synchronously and carries out correction process; And
Hypertext reductor (34), the information reverting that is used for that the IP frame signal is comprised are the various information of describing with HTML.
5. broadcast receiver as claimed in claim 4, it is characterized in that further comprising the modulator-demodulator (11) that links to each other with internet (12), the user can be sent to its specific (special) requirements to information the information centre that links to each other with internet (12) by modulator-demodulator (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99252139 CN2403183Y (en) | 1999-12-16 | 1999-12-16 | Broadcasting apparatus based on internet protocol |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99252139 CN2403183Y (en) | 1999-12-16 | 1999-12-16 | Broadcasting apparatus based on internet protocol |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2403183Y true CN2403183Y (en) | 2000-10-25 |
Family
ID=34036440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99252139 Expired - Fee Related CN2403183Y (en) | 1999-12-16 | 1999-12-16 | Broadcasting apparatus based on internet protocol |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2403183Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100336364C (en) * | 2003-04-16 | 2007-09-05 | 中兴通讯股份有限公司 | Method of transmitting modulation demodulator signal in IP network |
| US9838780B2 (en) | 2007-01-05 | 2017-12-05 | Apple Inc. | Audio I O headset plug and plug detection circuitry |
-
1999
- 1999-12-16 CN CN 99252139 patent/CN2403183Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100336364C (en) * | 2003-04-16 | 2007-09-05 | 中兴通讯股份有限公司 | Method of transmitting modulation demodulator signal in IP network |
| US9838780B2 (en) | 2007-01-05 | 2017-12-05 | Apple Inc. | Audio I O headset plug and plug detection circuitry |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |